Wheel-tire.



A. M. BANGS.

WHEEL TIRE. AFPLlCATIOH FILED FEB.19.I913. RENEWED JULY 19.1917.

1,258,522. Patented Mar. 5, 1918.

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WHEEL TIRE.

APPLICATION FILED FEB. l 1913; RENEWED JULY 19.191]- 1,258,522. Patented Mar. 5, 1918.

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UNITED @FTATES PATENT OFFICE.

ANSON M. BANGS, OF NEW YORK, N. Y.

WHEEL-TIRE.

Application filed February 19, 1913, Serial No. 749,302. Renewed July 19, 1917.

To (4Z6 whom it may concern:

Be it known that l". Anson M. BANUS. a citizen of the United. States of i-kmerica, residing in the borough of Manhattan, in the city, county and State of New York, have invented certain new and useful lmprovements in li 'hcel-tlircs. of which the following is a specification.

The invention relates to resilirr t tires having in the outer shoe thereof a series of compression chambers to serve as cushioning means and a series of pumps for automatically forcing air into the compression chambers.

These compression chambers are preferably provided with a fixed outer casing and amovable. plunger slidable therein and one object of this invention is to provide within the outer shoe an inner ring or shoe for assisting in holding and maintainii'ig these movable plungers in the proper position relative to each other.

In some constructions the cylinder for the pump is extended a part way at least into this fixed outer casing above referred to and one object of the present invention is to provide a guide way between the movable plunger of the compres 'on chamber and the cylinder of the pump whereby the movable plunger will have as a guiding member not only the stationary outer casing of the compression chamber but also a means between the cylinder and the movable plunger.

Another object of the invention is to connect the movable plunger and the piston rod of the pump together and to provide a resilient member between the rim of the wheel and pump piston rod wherebv when the plunger of the compression means is forced inwardly beyond a certain amount the pinton rod or piston head thereupon will engage the resilient member and thus avoid a sudden and hard shock on the working parts.

Another object of the invention is to provide a series of interlocking incasing members or blocks each of which. contains a combined compression chamber and pump. These interlocking blocks are constructed so that any individual block may be readily removed and so that when they are all in place within the outer shoe of a tire thev form a series of connected units entirely Specification of Letters Patent.

Patented Mar. 5, 1918.

Serial No. 181,665.

surrounding the rim of the wheel upon which the tire is located.

The invention also consists of other features of constructions, arrangements and combination which will be presently described and more particularly pointed out in the appended claims.

As showing the specific embodiment of the invention reference is made to the drawings forming a part of this specification and in which- Figure 1 is a cross-sectioiml view of the tire.

Fig. 2 is a perspective view of an interlocking incasiug member or block.

Fig. 3 is a perspective view of a resilient member or bumper or buffer.

Fig. i is a plan view of a section of the tire showing the inner and outer shoes broken away and also showing a view of an incasing member or block and the parts contained therein taken on the line ir-fl: of Fig. 1.

Fig. 5 is a vertical longitudinal sectional view of a portion of the tire. In this view the upper portion of the compression members in the unit shown to the left is broken away so as to show the inwardly extending projection on the inner shoe. while in the unit shown in the middle of: the figure the inner Shoe and a part of the compression member and pump are shown in section.

The outer shoe A is held in place on the rim B by the removable rings C, the latter of which is locked in position on the fixed rim by the key D. Within the outer shoe there are a series of compression chanr bers or cushioning means E and a cor-re spending number of pumps for forcing air to the interior of the cushioning means. The cushioning means preferably comprise a cup-shaped outer member and an inverted cnp-shiiiped inner member serving as a plunger which slides in the outer member. From an inspection of the drawings it will be apparent that these two members telescope with each other and that they provide therebetween a cushioning chamber which will be compressed when the outer shoe is forced toward the center of the wheel. From a further inspection of this same figure it will also be observed that the metal in the lower portion of the outer cu rshaped meniher is bent upwardly so as to provide a pump cylinder K and also flanged inwardly to provide the head L for the pn 3p cylinder. The piston rod M for the pump is pr terably hollov and is welded in any able inanue at N to the movable plunger l1.

These plungers H are provided wi'h an :nular groovedportions H in which there fits the inwardly e: end= annular projecting portions 0 of the nner ring 0, and consequently this inner ring can assist to a material extent in maint ining; the movable plunyers in proper pos' no relative to each other and also in. maintaining the individual units cl? which the iluugers a part in place. Each of the individual units thus referred to conugrises interlocking or iucasing blocl: shown in l 2 and the combined compression or cushioning means E and pump l s ow it will be apparent {from an inspection of Figs. :l: and 5 that the interlocking bodies P term a continuous series of contcd members entirely surrounding the run of the wheel when in place within the outer shoe oi? the tire. It will also be apparent that any one of these interlocking; members can be removed and replaced.

The plunger ll is provided with a main ineniber ll" which is in the torn: of an inverted cup and an annular inverted cupshaped clamping ring or member A cup-shaped washer H is securen in place between the main member and the clamping ring, the latter of which is held in a wesher clanipi'ug position by the out H which or gages the tireaded portion of the piston rod Bil. This packing manifestly must be shape( to oopose the How of air from the compression means as the chamber is compressed.

The outer n inber C also provided with a groove at the outer portion for the recep tion of the fibrous packing H he fund tionoii. this pac is to prevent any lubrigroin escaping; from between eating mater al casing; G and the movable the fixed outer fluuger ll.

n fixed guide way G is preferably secured by welding: to the outside portion oi? the inner cylinder G and a movable guide H? is secured. preferably by welding, to the plunger iii; The lat er ineinber H is provided with a series of holes which permit the passage oi air past the guide ways in order to maintain the same pressure in all parts of the compression chamber. lhese guide ways cooperate to assist in "mint-aining the movable plunger in alineinent with the outer member G within which it slides. The guide G is also screw threaded G so that the nut G can clan'ip the annular packing G in place so that the latter will permit the ready flow of air from the pump cylinder to the interior of the coniipression chamber as the pump piston head 6- moves outmesses wardly. This annular packing G, however, is so shaped that it will. oppose the flow of air from the interior of the compression chamber to the pump when the movable plunger H forced. inwardly. As the head L or the pump cylinder is provided with Cl'l'l'YGtl. portions which extend inwardly to ward the piston rod and outwardly from the piston. head it will. be apparent that a means is provided for maintaining this packing curved at the point 6.

The piston head is provided with the annular packing G which is clamped in place between the nut G and the inner inernber (9. This packing "is also shaped so as to oppose the passage of sir when the head is being moved so as to force ai the compression chamber but there is prov id ed a space between the inner member l and the pump packing to permit the latter to decrease in size whereby air can flow past the outside of the packing when the piston head is being moved in the opposite direction. The pressure maintaiimd within the tire is depei dent to a material extent upon he circiunferential dimensions of each of the nuts G and the radial thickness of the cylindrical portion of its corresponding washer G Thus, for instance, should it be desired to maintain an increased pressure within the tire when. it is being used, this can be accomplished by either re alacing the nu ls G by similar nuts of larger circumferential dimension or by increasing the thick 5 of said cylindrical portions of the washers in order to decrease the clearance spaces be This tween said nuts and washers. piston head packing G is purposely curved at G and is maintained in its curved shape by its holding nut which has at its edges out wardly extending portions that curve to ward the large open end of the cup-shaped packing.

The packing rings above referred to are all preferably made of a composition of rubher and canvas and the incasing blocks ab ve referred to are preferably made of acorn 3 sition of rubber and ground canvas.

Between the rim and each of the incasjing sections P there is located a resilient 1ne1nber Q, preferably formed of rubber. This member Q. has a projection Q, which s ers the open portion P of the inclosing i'neinber P and from an inspection of Figs. 1 and 5 it will be apparent that this member Q can serve as a yielding butter or bumper against which the piston head and rod of the pump engages when the plunger H is forced inwardly a certain amount.

The improvements herein set forth are not limited to the precise construction and arrangement shown and described as the; av be embodied in various forms and nrodxlica tions without departing from the spirit and scope of the invention.

I claim as my invention:

1. In a resilient tire the combination with a compression means, ot a pump, an incasing nn'mbi or bloc: and a resilient bumper, the compile ion means eonn rising an outer shell or member seated in the block and a movable inner member or plunger having connectci'l thereto a piston rod that extends toward the enter of the tire and which carries at the inner end the pump piston head that slides in a casing secured to the outer shell or casing oi the compression means, the bumg'ier being located. so as to be engaged by the piston to limit the inwarifl movement of the plunger.

2. In a resilient tire the combination of an outer shoe, a series of telescoping compression members, the outer members oi which are secured in place in incasing members or blocks that engage the inner surface ol the shoe, eupshaped washers secured to the inner ends of the movable inner member of the compression members and a iibrous packing between the inner and outer lzeleseopin g members to prevent the lubricant from escaning outwardly between the members, the cupshaped washers above referred to being constructed and arranged so as to oppose the outward llow of air from. the cmnprcssion chamber when the inner and ouhr telescoping members are being 't'orced toward each other.

ill tire having in combination with the outer shoe a ser' as of individual units each comprising a cup-shaped outer member, a movabloinncr member, a pump cylinder fixedly secured to the outer member, a piston head slidable in the piston cylinder, :1 piston rod carrying said head and passing from the pinnp cylinder to the interior of the compression chamber of which the fixed outer member and the movable inner member above referred to constitute a part and a guiding means within the compression chamber, which guiding means extends between the movable inner member and the pump cylinder.

A tire having in combination therein an outer casing, a plunger or inner member slidable therein and providing therewith a compression chamber, a pump cylinder fixedly secured to the outer casing, a piston head in the pump cylinder, a piston rod to which both the piston head and the plunger are connected, a guide way on the outer portion of the pump cylinder and a guide member secured to the plunger and slidably engaging said guide way on the pump cylinder.

A the having in combination therein an outer casing, a plunger or inner member slidablc therein and providing therewith a compression chamber, a pump cylinder fixedly secured to the outer casing, a piston head in the pump cylinder, a piston rod to which both the piston head and the plunger are connected, a guide way on the outer portir-n or" the pump cylinder and a guide mcm her secured to the plunger and slidably engaging said guide way on the pump cylinder, the guide way and member being constructed so that air can pass the same.

6. In a wheel tire, the combination with in the outer shoe thereof of an inner shoe, :1 series of compression means each compris ing a movable member which nests with a portion of the inner shoe and a series of pumps for automatically supplying air to the interior of the compression means with which the individual pump is operatively related.

7. A combined compression means and pump comprising a fixed outer upright cup shaped compression member, a movable cupshaped main plunger member slidablc therein, a piston stem secured to the movable member, a second inverted cup-shaped clamping member nesting with the main plunger member for securing an annular cup-shaped washer in place by clamping an inwardly extending flange on the latter between the main plunger member and the clamping member when the latter are drawn toward each other by a nut, said cup-shaped washer being arranged to oppose the escape of air outwardly between the fixed member and the plunger.

8. In a wheel tire, a single member having an outer cylindrical portion in which is slidably mounted the movable member of a cushioning or compressing means and an inner cylindrical portion which serves as a part of the outer shell or cylinder of a pump, said inner cylinder portion being provided with an inwardly extending flange, a piston head in the inner cylindrical portion provided with a rod connected to the movable member of the cushioning means, and an annular washer or packing surrounding the piston rod and clamped in place against the flanged portion of the pump cylinder, said flanged portion having the inner edges curved so as to extend inwardly toward the piston rod and away from the piston head, said packing being arranged so as to permit the flow of air from the pump cylinder to the compression chamber when the pump piston head moves toward said flanged por tion and so as to oppose the flow of air from the compression chamber to the pump cylinder when the piston head moves from said flanged portion.

9. In the outer shoe of a tire a series of incasing members or blocks, each having seated therein a combined pump and air cushioning or air compressing means, the adjacent portions of said incasing members interlocking with each other to form a continuous ring within the interior of the outer shoe.

10. The CODlbilliLtiOll for use with the This specification signed and witnessed outer slice of a resilient fire, 01 a series 05' this 29th day of January, A. D. 1913. interloc zin members each hevin incase T H i therein a flied member, of an air cishioning AL RANGE) 5; device and an inner shoe or ring member to Signed in the presence of Which the movable members of said cush- EDWIN A. PACKARD, ioning devices are connected. D. HAROU) BUSH.

fiopics'ot this patent may be obtained for five cents each, by addressing the Commissioner of Pateizta,

Washington, I). C. 

